WaterQ
Utah State Report All States
Official Status: March 2026

Is Lehi tap water safe to drink?

⚠ Caution Advised
D

Use extra caution — Lehi scores 40/100.

Safety Score
40
out of 100

Still not sure if you need a filter in Lehi?

Read Decision Guide →

Lehi

Utah

View Utah state report Data updated: Mar 2026

Is Lehi tap water safe to drink?

Use extra caution — Lehi scores 40/100. This report aggregates EPA drinking water data across 3 local systems in Lehi. We found 1070 total violations (89 unresolved).

Real-Time Environment

Live: 03:15 PM
0mm Precipitation

☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Lehi.

Water Quality Impact

✅ Minimal Impact Localized weather conditions may influence test result variability.

🛡️ Home Water Treatment Needs

Should you invest in filtration or softening for your home in Lehi?

Requirement Status
Recommended
🟡
💡

Expert Advice

Given the safety margin, a Carbon Block or sediment filter is recommended to improve taste and remove trace particulates.

Buying a Filter?

Wondering if Lehi tap water needs filtering? We break it down.

Baby Formula Safety

Mixing baby formula with Lehi tap water? Read this first.

Homebuyer's Perspective

If you're house-hunting in Lehi, water quality belongs on your due-diligence checklist alongside schools and crime data. With a score of 40/100, we recommend budgeting for high-quality point-of-entry filtration systems to protect your home's value.

Property Impact: Requires Mitigation

Health & Family Safety

Residents should monitor Lead (90th percentile) levels. Pregnant women and families with young children should consult the specific EPA health goals listed below.

View Health Risk Glossary →

Compliance Record for Lehi

1070
Violations (5yr)
89
Unresolved
1
Contaminants Tracked
0
Exceeding EPA Limit

Based on EPA SDWIS violation records and contaminant test results for all water systems serving Lehi.

Frequently Asked Questions

Is Lehi tap water safe to drink?

Use extra caution — Lehi scores 40/100.

How many water systems serve Lehi?

Lehi is served by 3 public water systems in our latest EPA-backed dataset.

How can I check water quality for my exact address in Lehi?

Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Lehi.

What is the water quality score for Lehi?

The water quality score for Lehi is 40 out of 100, based on EPA contaminant data, violation history, and testing results across the 3 systems serving the city.

What are the top contaminants in Lehi?

The top contaminants detected in Lehi include Lead (90th percentile). View detailed information on our contaminants page.

Water Quality Score
40/100
Grade
F
Water Systems
3
Population
232,241

Lehi Water Quality Summary

Lehi, UT receives a water quality score of 40/100 (Grade F) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 3 public water systems serving the area.

Lehi's water quality score is below the national average, indicating a history of EPA violations or elevated contaminant levels. Residents are encouraged to check their specific water system report and consider additional filtration.

Lehi's score of 40 is 22 points below the Utah state average of 62, and below the nationwide average of roughly 78/100 across all U.S. states.

Prospective homebuyers looking at this mid-size city in Utah should carefully evaluate the local tap water situation, which currently carries a failing evaluation and a low quality score. Lehi's water supply, distributed through multiple local systems, is shaped by Mountain West environmental factors like an arid climate and legacy mining from the surrounding region. As this urban area continues to grow rapidly, these persistent regional challenges and poor quality ratings mean residents may want to take extra precautions regarding their household water.

Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology → Read our Utah water quality rankings report →

Key Contaminants

Lead (90th percentile)
0.0037 / 0.015 mg/L
0 mg/L MCL: 0.015 mg/L

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Water Systems Serving Lehi (3)

Related

Compare Lehi water quality: View all states · Contaminant library · How we score water quality